205478000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1129}}^1$

素因数の和:1172

約数の個数: 160

約数和(自身を含む): 612044160

約数和(自身を除く): 406566160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 125, 130, 140, 175, 182, 200, 208, 250, 260, 280, 325, 350, 364, 400, 455, 500, 520, 560, 650, 700, 728, 875, 910, 1000, 1040, 1129, 1300, 1400, 1456, 1625, 1750, 1820, 2000, 2258, 2275, 2600, 2800, 3250, 3500, 3640, 4516, 4550, 5200, 5645, 6500, 7000, 7280, 7903, 9032, 9100, 11290, 11375, 13000, 14000, 14677, 15806, 18064, 18200, 22580, 22750, 26000, 28225, 29354, 31612, 36400, 39515, 45160, 45500, 56450, 58708, 63224, 73385, 79030, 90320, 91000, 102739, 112900, 117416, 126448, 141125, 146770, 158060, 182000, 197575, 205478, 225800, 234832, 282250, 293540, 316120, 366925, 395150, 410956, 451600, 513695, 564500, 587080, 632240, 733850, 790300, 821912, 987875, 1027390, 1129000, 1174160, 1467700, 1580600, 1643824, 1834625, 1975750, 2054780, 2258000, 2568475, 2935400, 3161200, 3669250, 3951500, 4109560, 5136950, 5870800, 7338500, 7903000, 8219120, 10273900, 12842375, 14677000, 15806000, 20547800, 25684750, 29354000, 41095600, 51369500, 102739000, 205478000]

約数ペア:

[(1, 205478000), (2, 102739000), (4, 51369500), (5, 41095600), (7, 29354000), (8, 25684750), (10, 20547800), (13, 15806000), (14, 14677000), (16, 12842375), (20, 10273900), (25, 8219120), (26, 7903000), (28, 7338500), (35, 5870800), (40, 5136950), (50, 4109560), (52, 3951500), (56, 3669250), (65, 3161200), (70, 2935400), (80, 2568475), (91, 2258000), (100, 2054780), (104, 1975750), (112, 1834625), (125, 1643824), (130, 1580600), (140, 1467700), (175, 1174160), (182, 1129000), (200, 1027390), (208, 987875), (250, 821912), (260, 790300), (280, 733850), (325, 632240), (350, 587080), (364, 564500), (400, 513695), (455, 451600), (500, 410956), (520, 395150), (560, 366925), (650, 316120), (700, 293540), (728, 282250), (875, 234832), (910, 225800), (1000, 205478), (1040, 197575), (1129, 182000), (1300, 158060), (1400, 146770), (1456, 141125), (1625, 126448), (1750, 117416), (1820, 112900), (2000, 102739), (2258, 91000), (2275, 90320), (2600, 79030), (2800, 73385), (3250, 63224), (3500, 58708), (3640, 56450), (4516, 45500), (4550, 45160), (5200, 39515), (5645, 36400), (6500, 31612), (7000, 29354), (7280, 28225), (7903, 26000), (9032, 22750), (9100, 22580), (11290, 18200), (11375, 18064), (13000, 15806), (14000, 14677)]